In this animated object, students examine the shades that result from mixing primary and secondary colors. Color tone and level are also defined.

Students identify various muscles of the face and scalp and see them in action in this animated activity.

Students read about the process of hair growth beginning with the joining together of amino acids.

In this animated object, learners view hydrogen and hydroxide ions in a solution. A brief quiz on the basic principles of the term pH completes the activity.

In this animated object, learners examine the properties of the peptide bond and how the bond relates to the structure of hair.

In this animated object, learners examine the properties of the hydrogen bond and how the bond changes when hair is shampooed or styled.

In this interactive object, learners examine standard and metric thread specifications used in engineering drawings. In a brief quiz, they identify various internal and external thread representations.

Learners examine the symbols and values that control surface roughness, waviness, and lay. A brief quiz completes the object.

Learners follow a step-by-step explanation of how to test fuses and circuit interrupting devices.

vocab

Use your knowledge of elements, mixtures, compounds, and chemical changes to beat the game!

Review important vocabulary about chemical reactions.

vocabulary